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Eminence Delta-10A 10" Midrange Driver 8 Ohm
What box volume, port size (diameter and length, or with and height) for two delta 10's to achieve the most efficient and best fidelity at 180 - 250 hz to 3k hz ?
The recommended volume for a pair of these is 1 cubic foot tuned to about 73 Hz. This can be done using two 3" diameter ports that are 4-1/2" long each.
Date published: 2014-02-10
How do I wire these in a 810 cab,to get a 4 ohm cab?
There are a two ways to do this.#1: Wire two groups of four in parallel, this will give you two groups at 2 ohms, then wire those two groups in series for a total of 4 ohms.#2: Wire four groups of two in series, gives you four 16 ohm groups, then wire the four groups in parallel for a total 4 ohms.
Date published: 2012-04-09
Will these handle vocals - mids well?
I'm building a set of speakers and the Eminence Beta-8A 8" Midrange/PA Drivers were recommended. I have room in the boxes to use these 10" drivers. It's a standard 3-way box.. subs - mids - horns.Pros & Cons of using one speaker or the other if I have space for either?
Let me start by saying that both of these drivers are good quality and sound nice when used properly. It may seem like a good idea to jump up to these 10s, but there is more to speaker design than just having "room in the boxes". The internal volume is specific to the speaker's needs. If the chamber isn't the right size you will experience anomalies, most of which don't sound good. You also have to consider the mid-high crossover point. The 10 doesn't play as high as the 8 which may or may not be a problem. And, even if the 10 does play high enough, you still have to consider the effective radiation pattern. As the diameter of the driver gets larger the higher frequencies become "beamy", leaving listeners off axis to the speaker with a big dip in the upper mids. Ultimately, unless you are equipped with the knowledge necessary to "reengineer" this design, I'd suggest sticking with the designer's reccomendations.
Date published: 2012-01-22
How do I wire two 8 ohm, 10" speakers in cab #1 to a 8 ohm, 15" speaker in cab # 2 to end up with a 4 ohm load?
I want to purchase TWO of these Eminence Delta-10A 10" Midrange Driver 8 Ohm speakers. I currently have a separate cab with a 8 ohm 15" speaker. How do I wire the 210's so when connected I have a 4 ohm load? A diagram would help.
The only options you have are wiring the two 10s together in series for a 16 ohm load to be put in parallel with the 15 for a 5.33 ohm load, or wiring the 10s together in parallel for a 4 ohm load and then in series for with the 15 for a 12 ohm load. See below for the wiring diagrams.
Date published: 2011-04-04